Lasers in surgery and medicine · 2026
Efficacy of Low-Dose Oral Isotretinoin Combined With Fractional Microneedle Radiofrequency Versus Low-Dose Oral Isotretinoin Monotherapy in the Treatment of Moderate-To-Severe Acne Vulgaris: A Randomized Controlled Comparative Study.
СтатьяРандомизированное исследованиеСравнительное исследованиеНазвание и аннотация: Перевод в очереди
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Disphanurat Wareeporn, Leeyangyuen Pornpirun, Srisantithum Benjaporn
Аннотация
BACKGROUND AND OBJECTIVE: Oral isotretinoin is the standard therapy for severe acne. However, scarring may persist. Fractional microneedling radiofrequency (FMRF) improves both inflammatory lesions and scars with minimal downtime. In this study, we compare isotretinoin monotherapy and concurrent isotretinoin and FMRF for active acne regarding clinical outcomes.
METHODS: In this parallel two-group comparative study, patients received either low-dose isotretinoin monotherapy for 20 weeks (n = 34) or low-dose isotretinoin concurrently with 5 monthly FMRF sessions (n = 36). Outcomes were assessed at baseline and weeks 12, 20, 24, 32, and 44. The primary endpoints were Global Acne Grading System (GAGS) scores and inflammatory/non-inflammatory lesion counts. Secondary endpoints were hemoglobin indices and skin roughness.
RESULTS: The GAGS scores of isotretinoin and FMRF were significantly lower than those of isotretinoin monotherapy from weeks 12-44 (-79.69% vs. -60.34% at week 44, respectively; p < 0.001). Isotretinoin and FMRF showed significantly greater lesion count reductions than isotretinoin monotherapy at follow-up visits from weeks 12-44. Isotretinoin and FMRF showed significantly lower hemoglobin levels than isotretinoin monotherapy at weeks 32 and 44 (p = 0.029 and p < 0.001, respectively). Skin surface roughness improved substantially and persistently from week 12-44.
CONCLUSIONS: Early active treatment with isotretinoin and FMRF is safe and better than isotretinoin monotherapy over 44 weeks regarding severity, reduced erythema, and improved surface roughness in moderate-to-severe acne vulgaris. This encourages early and effective treatment of acne to mitigate acne scarring and improve patients' quality of life.
CLINICALTRIALS: gov (Or Equivalent) Listing: Thai Clinical Trials Registry (TCTR20250202008).
METHODS: In this parallel two-group comparative study, patients received either low-dose isotretinoin monotherapy for 20 weeks (n = 34) or low-dose isotretinoin concurrently with 5 monthly FMRF sessions (n = 36). Outcomes were assessed at baseline and weeks 12, 20, 24, 32, and 44. The primary endpoints were Global Acne Grading System (GAGS) scores and inflammatory/non-inflammatory lesion counts. Secondary endpoints were hemoglobin indices and skin roughness.
RESULTS: The GAGS scores of isotretinoin and FMRF were significantly lower than those of isotretinoin monotherapy from weeks 12-44 (-79.69% vs. -60.34% at week 44, respectively; p < 0.001). Isotretinoin and FMRF showed significantly greater lesion count reductions than isotretinoin monotherapy at follow-up visits from weeks 12-44. Isotretinoin and FMRF showed significantly lower hemoglobin levels than isotretinoin monotherapy at weeks 32 and 44 (p = 0.029 and p < 0.001, respectively). Skin surface roughness improved substantially and persistently from week 12-44.
CONCLUSIONS: Early active treatment with isotretinoin and FMRF is safe and better than isotretinoin monotherapy over 44 weeks regarding severity, reduced erythema, and improved surface roughness in moderate-to-severe acne vulgaris. This encourages early and effective treatment of acne to mitigate acne scarring and improve patients' quality of life.
CLINICALTRIALS: gov (Or Equivalent) Listing: Thai Clinical Trials Registry (TCTR20250202008).